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Photos: Getting ready at Maker Faire

On Friday, hundreds of "makers" showed up to prepare for the fourth-annual Maker Faire. Tens of thousands of people are expected at the DIY festival to celebrate the maker culture.

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Roaring Cyclecide

On Saturday, Make Faire returns to San Mateo, Calif. This year, organizers expect more than 80,000 people for the all-weekend event, the fourth time it's been in San Mateo.

Attendees will find hall after hall of do-it-yourself (DIY) projects, crafts, robots, rockets, remote-control battleships, and steam-powered Victorian houses. They'll also find Cyclecide, the world's most famous bicycle rodeo. This comely creature is one of the troupe's bikes, and sets the tone for what those who ride the bikes will experience.

Maker Faire is the biggest DIY festival in the world, and has been growing steadily since it began in the spring of 2006. Now, there are also Maker Faires in Austin, Texas, and in England.

If you go this weekend, bring a hat and sunscreen, be patient with traffic, and remember to drink lots of water. And watch out for the chariot being pulled by a humanoid robot.

On Friday, Maker Day, the "makers," the people who create the projects on display for the weekend, set up and get a chance to see each others' projects without the massive crowds.
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The Golden Mean

This snail art car, aka "The Golden Mean," sits on the grass at the San Mateo Fairgrounds, the home of the fourth-annual Maker Faire. The snail is part of the ambiance that comes with The Boiler Bar, a for-hire traveling nightclub.
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Doggie Diner heads

A fixture in the Bay Area alternative arts scene for years, the Doggie Diner heads are also a Maker Faire favorite. Here, the three heads sit on a trailer, awaiting their placement at the 2009 Maker Faire. The heads were originally mounted on large poles outside Doggie Diner restaurants in and around San Francisco.
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Plug-in cupcake

Part of a set of famous Burning Man art-cupcakes and muffins and a fixture at Maker Faire for years, this cupcake, which a person can drive around, gets a power charge Friday on Maker Day.
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On Fire When I Got Here

A bumper sticker reads, "It was on fire when I got here," and adorns the bumper of a classic fire truck belonging to The Crucible, an Oakland, Calif., arts learning center.

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Diet Coke and Mentos

Another Maker Faire favorite are the Eepy Birds, the duo who have become famous for the coordinated and choreographed fountains they're able to make by mixing Diet Coke and Mentos. This is the stage where they will perform all weekend at Maker Faire.
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Tons of Diet Coke

For the Eepy Birds to do their show, they need a lot of Diet Coke. Here, the Coke delivery man brings the dozens of 2-liter bottles to the stage.
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Rave Raff maker

The unofficial Maker Faire mascot is this robotic giraffe, known as the Rave 'Raff. For Maker Faire 2009, it has been entirely rebuilt by Lindsay Lawlor (pictured) and his team. It now features more interactivity, new LEDs, and an entirely new paint job. It used to be white. Now, it's "pearl sunset orange."
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Rave 'Raff's new head

Shown is the newly redone head of the Rave 'Raff. It features the exact number and placement of teeth as a real giraffe. These, however, have built-in LEDs.
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Tesla powertrain

Maker Faire features an alternative vehicles pavilion. On Maker Day, the hall was largely empty, but this Tesla (without a body) was on display. Attendees will be able to inspect the vehicle and see that the electric car doesn't have many of the components people are used to seeing in cars.
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Case Traction Engine

Pictured is a 1917 Case traction engine, which was the world's first tractor model. This one is being fully restored--and is 90 percent complete--by a group called Kinetic Steam Works, which has spent two years on the project. The group bought the traction engine from a museum in Yuma, Ariz., that closed down.
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Traction engine wheel

Here's one of the beautiful, stylized wheels on the Case traction engine.
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Steampunk buggy

At Maker Faire, it's important to keep alert, as you never know what might drive by at high speed. Alertness is crucial both so you don't get run over and so you don't miss some of the incredible projects people have worked on and brought to the fair, like this steampunk buggy.
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Potato Gatling Gun

The Potato Gatling Gun, by Tony DeRose, is "an autofiring multi-barrel version of the popular PVC potato cannon from the book 'Backyard Ballistics.' It is capable of launching six potatoes approximately 400 feet."
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Loading the Lifesize Mousetrap

Another Maker Faire fixture is the Lifesize Mousetrap. Every year, hundreds of people flock to it to watch a bowling ball make its way (hopefully) through dozens of odd ramps, pulleys, loops and other conveyances. Here, the Mousetrap team tests out how well the ball is moving through the course.
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Eggbot design

The Eggbot Project, by Bruce Shapiro, is a spherical plotter that employes two software-controlled stepper motors to draw intricate designs on things like eggs, lightbulbs, and other objects with spherical surfaces.
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Eggbot eggs

A group of eggs that have had designs drawn on them by the Eggbot machine.
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DIY Magic Mirror

Al Linke's DIY Magic Mirror is a project that uses a spare PC and is designed to respond to "proximity, touch, and on/off sensors." It can respond to inquiries with weather forecasts and stock results and has princess, pirate, and Halloween modes.
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Interactivation floor

A group called Lightning Temple prepares the Interactivation, an interactive musical instrument. Essentially, it will become a musical tesla coil with polyphonic sound geared to sound like it's coming from a speaker rather than the much more video game-like sounds that come from traditional tesla coils.
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Hand of Man

This project, the Hand of Man, is people-controlled and can be used to pick up large objects, including cars.
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Teen roboticists

A group of high-school students hovers around a set of computers as they prepare their robotics project for Maker Faire.

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